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Filtering by: Subject Paleoecology -- Oregon -- Coos Bay Degree Field Fisheries Science

Juvenile Coho Salmon (Oncorhynchus kisutch) Diet in Brackish and Freshwater Habitats in the Stream-estuary Ecotones of Coos Bay, Oregon

Creator:

Mackereth, Kailan F.

Abstract:

Loss of lowland estuarine and freshwater off-channel habitats along the Pacific Northwest coast has contributed to the decline of salmonid populations. These habitats serve as nursery grounds for juvenile salmonids providing them with food, winter shelter, and a transition zone between freshwater and saltwater. Lowland areas have undergone anthropogenic alterations...

Resource Type:

Masters Thesis

Full Text:

Ecotones of Coos Bay, Oregon. Abstract approved
Juvenile coho salmon movement and migration through tide gates

Creator:

Bass, Arthur

Abstract:

Tidal marshlands in the upper estuary ecotone provide essential habitat for juvenile salmonids. In this environment, salmonids grow rapidly and acclimate to saltwater. Worldwide, tidal marshes have been diked and drained to provide agricultural and residential land. Tide gates are one-way doors integrated into dike systems that prevent saltwater flooding...

Resource Type:

Masters Thesis

Full Text:

Three creeks that drain into Coos Bay, a 13 km2 estuary on the southern Oregon coast, were used for